|Season 3, Episode 39|
|Airdate:||November 12, 2004|
|Writer(s):|| Mo Willems|
|Storyboards by:|| Matt Peters|
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Sickening Produce Removal Operation Ultra Tricky
Summary: Wallabee eats one of the brussel sprouts, the most harmful vegetables known to children. Nigel, Hoagie and Abigail must shrink and retrieve it before Wallabee digests it, as Kuki keeps track how much time Wallabee has left to live.
- Starring: Sector V
- Cameos: Mr. & Mrs. Beetles and Joey Beetles
- Locations: Beetles Residence, Med Lab and Wallabee's bodily interior
- 2x4 Tech: I.T.S.I.B.I.T.S.Y. and Cat Scan
- This episode spoofed the 1966 film, Fantastic Voyage.
- When they're trying to grapple onto Wallabee's brain, Abigail notes that it's small.
- To emphasize his sickness, Wallabee turns green in the face and he tosses and turns and says, "I want to clean my room" and "I gotta remember to do my extra credit homework!" According to Kuki, this means the sprout is taking over.
- Nigel wears the same suit as he did in Operation: S.A.T.U.R.N..
- This episode marks the first appearance of Numbuh 4's mother, Liza Beetles and his younger brother, Joey.